extcon: sm5502: Add support new SM5502 extcon device driver

This patch add new SM5502 MUIC(Micro-USB Interface Controller) device by using
EXTCON subsystem. The extcon-sm5502 driver is capable of identifying the type
of the external power source and attached accessory. An external power sources,
such as Deticated Charger or a standard USB port, are able to charge the battery
in the smart phone via the connector.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig
index 9125eba6b3d6..6f2f4727de2c 100644
--- a/drivers/extcon/Kconfig
+++ b/drivers/extcon/Kconfig
@@ -70,4 +70,14 @@ config EXTCON_PALMAS
           Say Y here to enable support for USB peripheral and USB host
           detection by palmas usb.
 
+config EXTCON_SM5502
+        tristate "SM5502 EXTCON support"
+        select IRQ_DOMAIN
+        select REGMAP_I2C
+        select REGMAP_IRQ
+        help
+          If you say yes here you get support for the MUIC device of
+          Silicon Mitus SM5502. The SM5502 is a USB port accessory
+          detector and switch.
+
 endif # MULTISTATE_SWITCH